Portal:Amiga
Template:/box-header The Amiga is a family of personal computers sold by Commodore in the 1980s and 1990s. Based on the Motorola 68000 family of microprocessors, the machine has a custom chipset with graphics and sound capabilities that were unprecedented for the price, and a pre-emptive multitasking operating system called AmigaOS. The Amiga provided a significant upgrade from earlier 8-bit home computers, including Commodore's own C64.
The Amiga 1000 was officially released in July 1985, but a series of production problems meant it did not become widely available until early 1986. The best selling model, the Amiga 500, was introduced in 1987 and became one of the leading home computers of the late 1980s and early 1990s with four to six million sold. The A3000, introduced in 1990, started the second generation of Amiga systems, followed by the A500+ and the A600. Finally, as the third generation, the A1200 and the A4000 were released in 1992. The platform became particularly popular for gaming and programming demos. It also found a prominent role in the desktop video, video production, and show control business, leading to affordable video editing systems such as the Video Toaster. The Amiga's native ability to simultaneously play back multiple digital sound samples made it a popular platform for early "tracker" music software. The relatively powerful processor and ability to access several megabytes of memory led to the development of several 3D rendering packages, including LightWave 3D, Imagine, Aladdin 4D, and TurboSilver.
Although early Commodore advertisements attempt to cast the computer as an all-purpose business machine, especially when outfitted with the Amiga Sidecar PC compatibility addon, the Amiga was most commercially successful as a home computer, with a wide range of games and creative software. It was also a less expensive alternative to the Apple Macintosh and IBM PC as a general-purpose business or home computer. Initially, the Amiga was developed alongside various Commodore PC clones, but Commodore later left the PC market. Poor marketing and the failure of the later models to repeat the technological advances of the first systems meant that the Amiga quickly lost its market share to competing platforms, such as the fourth generation game consoles, Apple Macintosh, and later IBM PC compatibles. Commodore ultimately went bankrupt in April 1994 after the "make or break" Amiga CD32 model failed in the marketplace.
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| In computing, a rigid disk block (RDB) is the block on a hard disk where the Amiga series of computers store the disk's partition and filesystem information. The PC equivalent of the Amiga's RDB is the master boot record (MBR).
Unlike its PC equivalent, the RDB doesn't directly contain metadata for each partition. Instead it points to a linked list of partition blocks, which contain the actual partition data. The partition data includes the start, length, filesystem, boot priority, buffer memory type and "flavor", though the latter was never used. Because there is no limitation in partition block count, there is no need to distinguish primary and extended types and all partitions are equal in stature and architecture. Additionally, it may point to additional filesystem drivers, allowing the Amiga to boot from filesystems not directly supported by the ROM, such as PFS or SFS. |
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Richard Joseph (23 April 1953 – 4 March 2007) was a British computer game composer, musician and sound specialist. He had a career spanning 20 years starting in the early days of gaming on the C64 and the Amiga and onto succeeding formats.
Richard was noted in game audio for bringing "real" voice actors into a game for the first time (Mega Lo Mania), the earliest use of interactive music (Chaos Engine), working with established recording artists (Betty Boo on Magic Pockets, Captain Sensible on Sensible Soccer, Brian May on Rise of the Robots and John Foxx on Gods and Speedball 2), and featuring vocals in title tunes, which was revolutionary for the time. |
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Amiga 500 Tower.
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